Rajab Abdul Kahali (born 15 March 1994), popularly known by his stage name Harmonize, is a Tanzanian Bongo Flava musician and music entrepreneur born in Mtwara Region.
He is currently[when?] based in Dar es Salaam and is also sometimes referred to as Konde Boy referring to his Makonde heritage. Other names he goes by are Jeshi, Tembo, Mbunge, Konde-Mabeyo He is well known for his songs “Kwa Ngwaru”, featuring Diamond Platnumz, and “Show Me” featuring Rich Mavoko. In 2017 MTV Base included him in their African edition of “Ones to Watch for 2017”. He was the first artist to sign a recording contract with Diamond Platnumz WCB Wasafi label., and has since gone on to found his own record label, Konde Music Worldwide.